﻿using System;

class ShowSign
{
    static void Main()
    {
        Console.Write("Please enter the first number: ");
        string consoleInput = Console.ReadLine();
        int first = int.Parse(consoleInput);
        Console.Write("Please enter the second number: ");
        consoleInput = Console.ReadLine();
        int second = int.Parse(consoleInput);
        Console.Write("Please enter the third number: ");
        consoleInput = Console.ReadLine();
        int third = int.Parse(consoleInput);

        if (first == 0 || second == 0 || third == 0)
        {
            Console.WriteLine("The product is 0.");
        }
        else if ((first < 0 && second > 0 && third > 0) || (first > 0 && second < 0 && third > 0) || (first > 0 && second > 0 && third < 0))
        {
            Console.WriteLine("The sign is -");
        }
        else if (first < 0 && second < 0 && third < 0)
        {
            Console.WriteLine("The sign is -");
        }
        else
        {
            Console.WriteLine("The sign is +");
        }
    }
}

